Allow schematic symbol value and footprint fields to be instantiated.

eeschema/dialogs/dialog_field_properties.cpp

@@ -658,9 +658,9 @@ void DIALOG_SCH_FIELD_PROPERTIES::UpdateField( SCH_FIELD* aField, SCH_SHEET_PATH
         if( fieldType == REFERENCE_FIELD )
             symbol->SetRef( aSheetPath, m_text );
         else if( fieldType == VALUE_FIELD )
-            symbol->SetValue( m_text );
+            symbol->SetValue( aSheetPath, m_text );
         else if( fieldType == FOOTPRINT_FIELD )
-            symbol->SetFootprint( m_text );
+            symbol->SetFootprint( aSheetPath, m_text );
     }
     else if( parent && parent->Type() == SCH_GLOBAL_LABEL_T )
     {

eeschema/dialogs/dialog_symbol_properties.cpp

@@ -705,8 +705,9 @@ bool DIALOG_SYMBOL_PROPERTIES::TransferDataFromWindow()
 
     // Similar for Value and Footprint, except that the GUI behaviour is that they are kept
     // in sync between multiple instances.
-    m_symbol->SetValue( m_fields->at( VALUE_FIELD ).GetText() );
-    m_symbol->SetFootprint( m_fields->at( FOOTPRINT_FIELD ).GetText() );
+    m_symbol->SetValue( &GetParent()->GetCurrentSheet(), m_fields->at( VALUE_FIELD ).GetText() );
+    m_symbol->SetFootprint( &GetParent()->GetCurrentSheet(),
+                            m_fields->at( FOOTPRINT_FIELD ).GetText() );
 
     m_symbol->SetIncludeInBom( !m_cbExcludeFromBom->IsChecked() );
     m_symbol->SetIncludeOnBoard( !m_cbExcludeFromBoard->IsChecked() );